Trivia Challenge: U.S History

I was looking for a weekend project to build something for the Echo. I am a bit of a US History buff and when the sample trivia app came out from Amazon this was a quick, fun project to do on a Saturday afternoon. It took more time to build out questions than it did to actually get the first version up and tested. It's live right now at: 

http://alexa.amazon.com/spa/index.html#skills/amzn1.echo-sdk-ams.app.1d4ead35-21f8-42bb-ab3b-f14e2a5c98d4